Advanced network management and maintenance capabilities are required to effectively manage the flexibility provided by SDH.
为了有效地发挥SDH提供的灵活性，需要先进的网络管理和维护能力。
Virtual containers encapsulation rate and SDH network synchronization, the synchronization is different VC.
虚容器的包封速率与SDH网络同步，即不同VC是同步的。
SDH is made from SDH network unit. Its basement of transmission technology is frame structure whose net functions include normal management, trouble management and property management and so on.
SDH由SDH网络单元组成，其传输技术基础是帧结构，其网络功能包括一般性管理、故障管理、性能管理、配置管理、安全管理。
The jitter induced by pointer adjustment is one of the main impairments in SDH network, how to reduce it is a key problems in SDH system design.
SDH指针调整引起的抖动是SDH网中重要的传输损伤，如何抑制指针调整引起的抖动已经成为SDH系统设计中一个关键的问题。
This paper discusses the architecture and basic functional requirements of SDH management system, the information modelization of SDH network resources and the establishment of models.
本文论述SDH网络管理系统的体系结构、基本要求和功能描述；论述网络资源的信息模型化管理及信息模型的建立方法。
Simulations show that adaptively modulated bit leaking method can reduce the jitter in pointer adjustment effectively in both the normal mode and the degraded mode of SDH network.
仿真表明，自适应调制泄漏法在网络处于劣化模式和非劣化模式时都可以有效地抑制指针调整抖动。
A method of selecting the clock sources, which is used in SDH network to auto-select the best clock, is di-cussed.
介绍了一种时钟源选择控制方法，从而在SDH网络中各节点能自动选择最优时钟源，并实现时钟的同步。
SDH is a kind of comprehensive information network Technique which managed by uniform TMN together with multiplex, line transmission and cross collection.
SDH是一种将复接、线路传输及交叉连接功能结合在一起并由统一网管系统进行管理操作的综合信息网络技术。
Abstract: Analysis is made on the features of basic topology structure of SDH network with Suggestions made to choose a rational topology structure and protective method in networking.
文摘：分析了SDH网络的基本拓扑结构特点，对合理选择拓扑结构及保护方式进行组网提出建议。
Throught the correlation analysis of the WDM and SDH alarms, we can locate the faults in the WDM network.
通过结合相关联的同步数字体系(SDH)设备的告警进行相关性分析，从而达到对网络故障定位的目的。
Associated with the expansion of network, the optimization scheme of transmission net - work is proposed to solve the dispatching of service across the different SDH ring.
介绍了城域传输网络的现状，并对sdh环叠加和环相套的扩容方案存在的问题进行了讨论。
By utilizing the advantages of self-healing function that SDH ring network has, the paper analyzes the networking technology and MSP mechanism in detail.
利用SDH环形网络具有自愈能力的优点，详细分析了组网技术及复用段保护机制。
In addition, we apply the routing algorithm to search routes in SDH network and realize the resource assignment.
同时，将路由算法应用于SDH传送网的路由搜索，完成了对SDH网络业务资源的规划。
Analysis is made on the features of basic topology structure of SDH network with Suggestions made to choose a rational topology structure and protective method in networking.
分析了SDH网络的基本拓扑结构特点，对合理选择拓扑结构及保护方式进行组网提出建议。
This paper analyzes the good time when the point-to- point WDM system is introduced to carry SDH system for network upgrade.
分析了传输网络升级时引入点对点WDM系统，来承载SDH系统的合适时机；
This paper introduces superiority of ATM and SDH wideband transmission system. It discusses advantage of ATM and SDH, and ATM /SDH wideband information network.
论述ATM技术在SDH上实现宽带传输，讨论了ATM技术和SDH技术的优点，以及ATM／SDH技术建立宽带信息网的方案及其优势。
Introduces general network synchronization type and working mode, and some basic concept of SDH network synchronization.
本文主要介绍网同步方式与工作模式及SDH网同步的一些基本概念。
The interfaces used in ASON for inter-domain and inter-network communication are described, solutions on ASON and SDH network hybrid networking and inter-connection are presented.
介绍了ASON用于域间和网间通信的接口，并提出了ASON网络与传统SDH传输网实现混合组网和互联互通的解决方案。
SDH transmission network is a complicated network system, the attendant should accumulate experience and steadily improve fault treatment ability for keeping the network to running normally.
SDH传输网络是一个复杂的网络系统，维护人员必须在实践中不断积累经验，提高网络故障的处理能力。
So, it is a very concerned question how the optical network base on SDH system evolve to intelligent light network.
因此，基于SDH体制的光网络如何向智能光网络演进是业界非常关注的问题。
This paper introduces SDH's network topological structure, expounds five functions of SDH network management, and looks forward to the developing prospect of SDH network management.
介绍了SDH网络拓扑结构，阐述了SDH网络管理的五大功能，并展望了SDH网络管理的发展前景。
This paper presents four kinds of common SDH network topological structures, i. e. linear, ring, star and meshed.
本文介绍线形、环形、星形和网孔形等四种常用的SDH网拓朴结构。
Over Unicom's backbone network, original SDH loop network architecture already fails to meet present capacity requirement, which must be transformed into ASON, especially for the central-east regions.
在联通的干线网上，原有的SDH环网结构已经不能满足当前的容量要求，必须改造成ason网络，特别是中东部地区。
The devices in SDH network must have the function of extracting timing reference from STM-N.
SDH网络设备必须具有从STM - N线路信号中提取定时参考的功能。
With the introduction of SNMP (simple network management protocol), many management systems of SDH network have changed their base from OSI model to SNMP.
简单网络管理协议SNMP的引入，使得原来基于OSI管理模型的SDH网络管理转向了基于SNMP的系统管理框架。
The devices in SDH network possess the function of extracting timing reference from STM-N.
SDH网络设备必需具有从STM - n线路信号中提取定时参考的功能。
This scheme combined the advantages of SDH technology and ATM technology, improved adaptation efficiency from DVB signal to SDH network, and satisfied HFC modulation mode's flexibility.
该方案结合SDH技术和AT M技术两者的优点，提高了DVB信号适配到SDH网络的适配效率，同时满足了HFC不同调制方式的灵活性。
The design results of this paper is in order to lay the foundation for forming the transmission network of SDH (STM-N).
本文的设计成果为进一步形成SDH (STM - N)的传输网络奠定了基础。
This method also has a wide scope of application and can be used in SDH network as well as network element with any structure.
该方法适用范围广，可以在任意结构的SDH网络和网元中使用。
This thesis focused on SDH communication network protections.
本文研究了SDH通信网的保护问题。
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